Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 22.19
Milk (kg) -520.00 -0.014 7.28
Fat (kg) -16.89 -0.375 6.33
Prot (kg) -19.45 -0.441 8.58
Fertility Sub Index -0.01
Calving Interval (days) 0.04 -1.459 -0.06
Survival (%) 0.04 1.117 0.04
Calving Sub Index 0.05
Gestation Length (days) -0.05 -0.919 0.05
Beef Sub Index -0.48
Carcass Weight (kg) -0.40 -0.528 0.21
Age of Slaughter (days) 1.59 -0.432 -0.69
Maintenance Sub Index Maint. Sub Index 0.86
Live WT (kg) -2.80 -0.307 0.86
Total Carbon Sub Index 22.60

* Based on an €80/tonne carbon price